216;Meudon Observatory;Spectroheliograph;Spectroheliograph;656.280;HALPHA;-9;Optical;COUNTS;1998-09-18T07:43:00.000;1998-09-18T07:43:00.000;2451074;0.82152778;\N;1940;1.00000;0.00000;16;908;909;419.12000;453.50000;454.50000;2.2800000;2.2800000;\N;meud_halph_fd_19980918_074300_b.fts;/home/fuller/data2/FITS/mh980918.074300.fits;1998-09-18T07:43:00.000;1998-09-18T07:43:00.000;= 'Y axis is the North/South axis of the Sun';